Answer:
it defines an important concept of standard deviation used in probability theory and statistics. It has a major use in the formula for roots of a quadratic equation; quadratic fields and rings of quadratic integers, which are based on square roots, are important in algebra and have uses in geometry.
Answer:
-42
Step-by-step explanation:
The answer is A! Hope you have a nice day <3
5/8 trust me because when you divide 5 by 8 you get a number that is equal to 5/8
